interactive.qml Example File

shapes/content/interactive.qml
/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtQuick module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** BSD License Usage ** Alternatively, you may use this file under the terms of the BSD license ** as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of The Qt Company Ltd nor the names of its ** contributors may be used to endorse or promote products derived ** from this software without specific prior written permission. ** ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/
import QtQuick 2.9 import QtQuick.Shapes 1.0 Rectangle { id: root width: 1024 height: 768 property color col: "lightsteelblue" gradient: Gradient { GradientStop { position: 0.0; color: Qt.tint(root.col, "#20FFFFFF") } GradientStop { position: 0.1; color: Qt.tint(root.col, "#20AAAAAA") } GradientStop { position: 0.9; color: Qt.tint(root.col, "#20666666") } GradientStop { position: 1.0; color: Qt.tint(root.col, "#20000000") } } property int mode: 0 property bool showResizers: true property bool fill: false Row { x: 20 y: 10 spacing: 20 Rectangle { border.color: "black" color: root.mode === 0 ? "red" : "transparent" width: 100 height: 40 Text { anchors.centerIn: parent text: "Line" } MouseArea { anchors.fill: parent onClicked: root.mode = 0 } } Rectangle { border.color: "black" color: root.mode === 1 ? "red" : "transparent" width: 100 height: 40 Text { anchors.centerIn: parent text: "Cubic" } MouseArea { anchors.fill: parent onClicked: root.mode = 1 } } Rectangle { border.color: "black" color: root.mode === 2 ? "red" : "transparent" width: 100 height: 40 Text { anchors.centerIn: parent text: "Quadratic" } MouseArea { anchors.fill: parent onClicked: root.mode = 2 } } Slider { id: widthSlider name: "Width" min: 1 max: 60 init: 4 } Rectangle { border.color: "black" color: root.showResizers ? "yellow" : "transparent" width: 50 height: 40 Text { anchors.centerIn: parent text: "Manip" } MouseArea { anchors.fill: parent onClicked: { root.showResizers = !root.showResizers; for (var i = 0; i < canvas.resizers.length; ++i) canvas.resizers[i].visible = root.showResizers; } } } Rectangle { border.color: "black" color: root.fill ? "yellow" : "transparent" width: 50 height: 40 Text { anchors.centerIn: parent text: "Fill" } MouseArea { anchors.fill: parent onClicked: root.fill = !root.fill } } } Rectangle { id: canvas width: root.width - 40 height: root.height - 120 x: 20 y: 100 property variant activePath: null property variant resizers: [] property variant funcs function genResizer(obj, x, y, xprop, yprop, color) { var ma = Qt.createQmlObject('import QtQuick 2.9; import QtQuick.Shapes 1.0; Rectangle { id: rr; property variant obj; color: "' + color + '"; width: 20; height: 20;'+ 'MouseArea { anchors.fill: parent; hoverEnabled: true;' + 'onEntered: color = "yellow"; onExited: color = "' + color + '";' + 'property bool a: false; onPressed: a = true; onReleased: a = false; ' + 'onPositionChanged: if (a) { var pt = mapToItem(rr.parent, mouse.x, mouse.y);' + 'obj.' + xprop + ' = pt.x; obj.' + yprop + ' = pt.y; rr.x = pt.x - 10; rr.y = pt.y - 10; } } }', canvas, "resizer_item"); ma.visible = root.showResizers; ma.obj = obj; ma.x = x - 10; ma.y = y - 10; resizers.push(ma); return ma; } Component.onCompleted: { funcs = [ { "start": function(x, y) { var p = Qt.createQmlObject('import QtQuick 2.9; import QtQuick.Shapes 1.0; ShapePath {' + 'strokeColor: "black"; fillColor: "transparent";'+ 'strokeWidth: ' + widthSlider.value + ';' + 'startX: ' + x + '; startY: ' + y + ';' + 'PathLine { x: ' + x + ' + 1; y: ' + y + ' + 1 } }', root, "dynamic_visual_path"); shape.data.push(p); activePath = p; }, "move": function(x, y) { if (!activePath) return; var pathObj = activePath.pathElements[0]; pathObj.x = x; pathObj.y = y; }, "end": function() { canvas.genResizer(activePath, activePath.startX, activePath.startY, "startX", "startY", "red"); var pathObj = activePath.pathElements[0]; canvas.genResizer(pathObj, pathObj.x, pathObj.y, "x", "y", "red"); activePath = null; } }, { "start": function(x, y) { var p = Qt.createQmlObject('import QtQuick 2.9; import QtQuick.Shapes 1.0; ShapePath {' + 'strokeColor: "black"; fillColor: "' + (root.fill ? 'green' : 'transparent') + '";'+ 'strokeWidth: ' + widthSlider.value + ';' + 'startX: ' + x + '; startY: ' + y + ';' + 'PathCubic { x: ' + x + ' + 1; y: ' + y + ' + 1;' + 'control1X: ' + x + ' + 50; control1Y: ' + y + ' + 50; control2X: ' + x + ' + 150; control2Y: ' + y + ' + 50; } }', root, "dynamic_visual_path"); shape.data.push(p); activePath = p; }, "move": function(x, y) { if (!activePath) return; var pathObj = activePath.pathElements[0]; pathObj.x = x; pathObj.y = y; }, "end": function() { canvas.genResizer(activePath, activePath.startX, activePath.startY, "startX", "startY", "red"); var pathObj = activePath.pathElements[0]; canvas.genResizer(pathObj, pathObj.x, pathObj.y, "x", "y", "red"); canvas.genResizer(pathObj, pathObj.control1X, pathObj.control1Y, "control1X", "control1Y", "blue"); canvas.genResizer(pathObj, pathObj.control2X, pathObj.control2Y, "control2X", "control2Y", "lightBlue"); activePath = null; } }, { "start": function(x, y) { var p = Qt.createQmlObject('import QtQuick 2.9; import QtQuick.Shapes 1.0; ShapePath {' + 'strokeColor: "black"; fillColor: "' + (root.fill ? 'green' : 'transparent') + '";'+ 'strokeWidth: ' + widthSlider.value + ';' + 'startX: ' + x + '; startY: ' + y + ';' + 'PathQuad { x: ' + x + ' + 1; y: ' + y + ' + 1;' + 'controlX: ' + x + ' + 50; controlY: ' + y + ' + 50 } }', root, "dynamic_visual_path"); shape.data.push(p); activePath = p; }, "move": function(x, y) { if (!activePath) return; var pathObj = activePath.pathElements[0]; pathObj.x = x; pathObj.y = y; }, "end": function() { canvas.genResizer(activePath, activePath.startX, activePath.startY, "startX", "startY", "red"); var pathObj = activePath.pathElements[0]; canvas.genResizer(pathObj, pathObj.x, pathObj.y, "x", "y", "red"); canvas.genResizer(pathObj, pathObj.controlX, pathObj.controlY, "controlX", "controlY", "blue"); activePath = null; } } ]; } MouseArea { anchors.fill: parent onPressed: { canvas.funcs[root.mode].start(mouse.x, mouse.y); } onPositionChanged: { canvas.funcs[root.mode].move(mouse.x, mouse.y); } onReleased: { canvas.funcs[root.mode].end(); } } Shape { id: shape anchors.fill: parent data: [] } } }